Portable fire pit



FIG. 1 is a front perspective view of a portable fire pit showing my new design;

FIG. 2 is a front view of the portable fire pit of FIG. 1, the left, right, and rear views being identical images thereof;

FIG. 3 is a top view of the portable fire pit of FIG. 1; and,

FIG. 4 is a bottom view of the portable fire pit of FIG. 1. 

CLAIM The ornamental design for a portable fire pit, as shown and described. 